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Physical & Chemical properties

Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
17 Dec 2018 to 25 Jan 2019
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.4 (Vapour Pressure)
Version / remarks:
March 04, 2016
Deviations:
no
Qualifier:
according to
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Version / remarks:
March 23, 2006
Deviations:
no
Qualifier:
according to
Guideline:
EPA OPPTS 830.7950 (Vapor Pressure)
Version / remarks:
August 1996
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
effusion method: isothermal thermogravimetry
Specific details on test material used for the study:
Physical Description: Off-white powder (determined by Charles River Den Bosch)
Purity/Composition: 99.77%, assumed 100% for testing
Storage Conditions: At room temperature protected from light desiccated
Key result
Temp.:
20 °C
Vapour pressure:
<= 0.004 Pa
Key result
Temp.:
25 °C
Vapour pressure:
<= 0.005 Pa
Conclusions:
The isothermal TGA effusion method was applied for the determination of the vapour pressure of Esacure 1001 M. The weight losses of the test item had to be determined at temperatures above the melting temperature of the test item. According to this, the vapour pressure of the test item (which was, according to the method, extrapolated to 20°C and 25°C) could be slightly overestimated and is reported as less than or equal to values.

The vapour pressure of the test item at 20°C (293K) and 25°C (298K) was:
20°C 25°C
[Pa] [mm Hg] [Pa] [mm Hg]
≤ 3.6E-3 ≤ 2.7E-5 ≤ 4.7E-3 ≤ 3.5E-5
Executive summary:

In this guideline (OECD 104) study with GLP certification, the test item EC 429-040-0 was determined to have a vapour pressure of ≤3.6 × 10 -5 Pa @ 20 °C

Description of key information

Study conducted to recognised testing guidelines with GLP certification.

Key value for chemical safety assessment

Vapour pressure:
0.004 Pa
at the temperature of:
20 °C

Additional information